| Tournament | Round | Gavin Lehner | Maree Heynen |
| 31.10.2004 Tasmanian Championships (TAS) | 11 | 324 | 387 |
| 28.03.2005 Australian Championships (TAS) | 12 | 310 | 336 |
| 30.10.2005 Tasmanian Championships (TAS) | 12 | 337 | 341 |
| 29.10.2006 Tasmanian Championships (TAS) | 14 | 258 | 277 |
| Head-to-head after 4 games | 0 | 4 | |
| Average score | 307.25 | 335.25 | |
| Spread: | -112 | 112 | |